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week 8
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Alex Mueller committed Mar 16, 2020
1 parent f59c43e commit 7cf6faf
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47 changes: 47 additions & 0 deletions week-8/events1.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>Events: Task 1</title>
<style>
p {
color: purple;
margin: 0.5em 0;
}

* {
box-sizing: border-box;
}

button {
display: block;
margin: 20px 0 20px 20px;
}
</style>
<link rel="stylesheet" href="../styles.css" />
</head>

<body>

<section class="preview">
</section>

<button class="off">Machine is off</button>

</body>
<script>
let btn = document.querySelector('.off');
btn.addEventListener('click', updateButton)
let off = true;
function updateButton() {
if (off) {
btn.innerHTML = 'Machine is on';
off = false;
} else {
btn.innerHTML = 'Machine is off'
off = true;
}
}
</script>

</html>
83 changes: 83 additions & 0 deletions week-8/events2.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>Events: Task 2</title>
<style>
p {
color: purple;
margin: 0.5em 0;
}

* {
box-sizing: border-box;
}

canvas {
border: 1px solid black;
}
</style>
<link rel="stylesheet" href="../styles.css" />
</head>

<body>

<section class="preview">
</section>

<canvas width="480" height="320">

</canvas>


</body>
<script>
let canvas = document.querySelector('canvas');
let ctx = canvas.getContext('2d');

function drawCircle(x, y, size) {
ctx.fillStyle = 'white';
ctx.fillRect(0, 0, canvas.width, canvas.height);

ctx.beginPath();
ctx.fillStyle = 'black';
ctx.arc(x, y, size, 0, 2 * Math.PI);
ctx.fill();
}

let x = 50;
let y = 50;
const size = 30;

drawCircle(x, y, size);

// Add your code here
document.addEventListener('keypress', moveCircle);

function moveCircle(e) {
let keyPressed = e.key.toLowerCase()
console.log(keyPressed);
switch (keyPressed) {
case 'w':
y -= 10
drawCircle(x, y, size)
break;
case 's':
y += 10
drawCircle(x, y, size)
break;
case 'a':
x -= 10
drawCircle(x, y, size)
break;
case 'd':
x += 10
drawCircle(x, y, size)
break;
default:
break;
}
}
</script>

</html>
54 changes: 54 additions & 0 deletions week-8/events3.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>Events: Task 3</title>
<style>
p {
color: purple;
margin: 0.5em 0;
}

* {
box-sizing: border-box;
}

button {
display: block;
margin: 20px 0 20px 20px;
}

.button-bar {
padding: 20px 0;
}
</style>
<link rel="stylesheet" href="../styles.css" />
</head>

<body>

<section class="preview">
</section>

<div class="button-bar">
<button data-color="red">Red</button>
<button data-color="yellow">Yellow</button>
<button data-color="green">Green</button>
<button data-color="purple">Purple</button>
</div>

</body>
<script>

let buttonBar = document.querySelector('.button-bar');
let section = document.querySelector('section');

// Add your code here
buttonBar.addEventListener('click', changeColor)
function changeColor(e) {
let color = e.target.dataset.color
buttonBar.style.background = color
}
</script>

</html>
33 changes: 33 additions & 0 deletions week-8/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Web Form</title>
</head>
<body>
<h1>Contact Me!</h1>
<form id="myform">
<input type="text" name="name" id="name" placeholder="Name">
<span id="name-error"></span>
<input type="email" name="email" id="email" placeholder="Email">
<span id="email-error"></span>
<input type="text" name="subject" id="subject" placeholder="Subject">
<span id="subject-error"></span>
<textarea name="message" id="message" cols="30" rows="10" form="myform" placeholder="Message"></textarea>
<span id="message-error"></span>
<button type="submit">Submit</button>
</form>
<style>
form {
display: flex;
flex-direction: column;
align-items: flex-start;
}
textarea {
margin: 0;
}
</style>
<script src="js/form.js"></script>
</body>
</html>
42 changes: 42 additions & 0 deletions week-8/js/form.js
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let form = document.querySelector('#myform');
form.addEventListener('submit', validate);

let name = document.querySelector('#name');
let email = document.querySelector('#email');
let subject = document.querySelector('#subject');
let message = document.querySelector('#message');
let inputList = [name, email, subject, message];



inputList.forEach(input => {
input.addEventListener('blur', findInputError)
});

function findInputError(e) {
let input = e.currentTarget.id
let errorMessage = document.querySelector(`#${input}-error`)
console.log(input)
if (e.currentTarget.value) {
errorMessage.innerHTML = ''
} else {
errorMessage.innerHTML = `${input} must be filled out.`
}
}

function validate(e) {
if (name.value && email.value && subject.value && message.value) {
console.log("hooray");
} else {
inputList.forEach(input => {
let inputName = input.id;
let errorMessage = document.querySelector(`#${inputName}-error`);
if (input.value) {
errorMessage.innerHTML = '';
} else {
errorMessage.innerHTML = `${inputName} must be filled out.`;
}
});
e.preventDefault();
}
}

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